evolution

Yale Traces the Origins of all Snakes

Researchers at Yale University recently delved into the evolutionary history of snakes, and what they discovered was an ancient creature who lived over 120 million years ago in the warm forests of the Southern Hemisphere. And most interesting of all, this creature sported tiny hindlimbs, replete with ankles and toes.

The Trap-Jaws’ Mighty Mandibles Propel Them from Danger

The mighty mandibles of the trap-jaw ants are legendary in the animal kingdom. Members of the genus Odontomachus have specialized spring-loaded jaws that can snap shut at speeds of 60 meters per second, with forces that exceed 300 times their body weight. But in four species, those powerful jaws are not only great at catching prey, they can also aid in the ant's escape.

Embryological Manipulation Reveals Chicks Can Have Prehistoric Looks

One of the latest breakthroughs from Yale scientists: the mighty dino-chicken. The Yale team used molecular manipulation to grow chicken embryos with Velociraptor snouts and published their results yesterday in the journal Evolution. The embryos did not hatch.

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